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Safety Standards for Tactile Ground Surface Indicators (TGSI’s)

Extracts from the National Construction Code

D3.8 Tactile Indicators

For a building required to be accessible, tactile ground surface indicators must be provided to warn people with a vision impairment that they are approaching –

if used by the public-

a stairway; and

an escalator; and

a travelator; and

a ramp other than a step ramp and kerb ramp; and

in the absence of a suitable barrier-

an overhear obstruction less than 2 m above floor level, other than a doorway; and

a path of travel meeting a vehicular way adjacent to a principal public entrance to a building, if there is no kerb or kerb ramp at that point.

Tactile ground surface indicators required by (1) must be Type B indicators in accordance with AS 1428.4.

A hostel for the aged, nursing home for the aged, a residential aged care building or a Class 9c aged care building, need not comply with (1.1) if handrails incorporating a raised dome button in accordance with AS 1428.1 are provided to warn people with impaired vision that they are approaching a stairway or ramp.